Finding the Fourth Proportional to 1,069,205.54, 1,603,807.70 and 998,346.74
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Solution
The fourth proportional to 1,069,205.54, 1,603,807.70 and 998,346.74 is: 1,497,519.54
Step by Step Solution
- Step 1: Write the proportion equation
1,069,205.54 : 1,603,807.70 = 998,346.74 : x - Step 2: Convert to fraction form
1,069,205.54/1,603,807.70 = 998,346.74/x - Step 3: Cross multiply
1,069,205.54x = 1,603,807.70 × 998,346.74 - Step 4: Simplify right side
1,069,205.54x = 1,601,156,175,871.13 - Step 5: Solve for x
x = 1,601,156,175,871.13/1,069,205.54 - Step 6: Final answer
x = 1,497,519.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.